– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 3 pm Sun 08 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 pm Sun 08 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Sun 08 Feb Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryLight rain (total 10mm), mostly falling on Mon morning. Mild temperatures (max 7°C on Sun afternoon, min 1°C on Mon night). Wind will be generally light. | Days 5–7 Weather SummaryModerate rain (total 10mm), heaviest on Thu night giving way to a moderate fall of snow, heaviest on Fri night. Mild temperatures (max 7°C on Wed afternoon, min 1°C on Fri night). Wind will be generally light. | ||||||||||||||||
Sun 8 | Monday 9 | Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  | |  |  | | |  | |  |  | |
cloudy | light rain | light rain | light rain | rain shwrs | clear | clear | clear | clear | some clouds | some clouds | cloudy | light rain | mod. rain | light rain | light snow | mod. snow | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 7 | |
— | 4 | 4 | 1.9 | 0.3 | — | — | — | — | — | — | — | 0.3 | 5 | 4 | 0.5 | — | |
max °C | 7 | 4 | 3 | 4 | 3 | 7 | 7 | 2 | 7 | 7 | 3 | 6 | 5 | 3 | 3 | 3 | 2 |
min °C | 4 | 2 | 3 | 3 | 1 | 5 | 3 | 1 | 6 | 3 | 2 | 4 | 3 | 3 | 3 | 2 | 1 |
4 | 0 | 1 | 2 | 0 | 5 | 2 | 0 | 6 | 3 | 2 | 3 | 1 | 1 | 1 | 2 | -1 | |
1350 | 1100 | 950 | 1100 | 1050 | 1450 | 1450 | 1400 | 1550 | 1450 | 1550 | 1250 | 1150 | 1000 | 1000 | 900 | 650 | |
Cloud base (m) | 1600 | 800 | 700 | 600 | 600 | 2200 | 2050 | 600 | 900 | 2650 | 2000 | 600 | 550 | 550 | 550 | ||
 | — | — | 7:24 | — | — | 7:22 | — | — | 7:22 | — | — | 7:20 | — | — | 7:18 | — | — |
 | 5:16 | — | — | 5:19 | — | — | 5:21 | — | — | 5:22 | — | — | 5:23 | — | — | 5:25 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Light rain (total 10mm), mostly falling on Mon morning. Mild temperatures (max 7°C on Sun afternoon, min 1°C on Mon night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Moderate rain (total 10mm), heaviest on Thu night giving way to a moderate fall of snow, heaviest on Fri night. Mild temperatures (max 7°C on Wed afternoon, min 1°C on Fri night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.